Types of cookie:
‘Session’ cookies remain in your browser during your browser session only, ie until you leave the website.
‘Persistent’ cookies remain in your browser after the session (unless deleted by you).
‘Performance’ cookies collect information about your use of the website, such as webpages visited and any error messages; they do not collect personally identifiable information, and the information collected is aggregated such that it is anonymous. Performance cookies are used to improve how a website works.
‘Functionality’ cookies allow the website to remember any choices you make about the website (such as changes to text size, customised pages) or enable services such as commenting on a blog.
|Google Analytics||__utma||This cookie is typically written to the browser upon the first visit. If the cookie has been deleted by the browser operator, and the browser subsequently visits pwc.com/bb, a new __utma cookie is written with a different unique ID. In most cases, this cookie is used to determine unique visitors to pwc.com/bb and it is updated with each page view. Additionally, this cookie is provided with a unique ID that Google Analytics uses to ensure both the validity and accessibility of the cookie as an extra security measure.||First Party Persistent||2 years from set/update|
|Google Analytics||__utmb||This cookie is used to establish and continue a user session with pwc.com/bb. When a user views a page on pwc.com/bb, the Google Analytics code attempts to update this cookie. If it does not find the cookie, a new one is written and a new session is established. Each time a user visits a different page on pwc.com/bb; this cookie is updated to expire in 30 minutes, thus continuing a single session for as long as user activity continues within 30-minute intervals. This cookie expires when a user pauses on a page on pwc.com/bb for longer than 30 minutes.||First Party Persistent||30 minutes from set/update|
|Google Analytics||__utmc||This cookie operates in conjunction with the '__utmb' cookie to determine whether or not to establish a new session for the user. If it does not find the cookie, a new one is written and a new session is established. This cookie expires when a user's session is no longer active.||First Party Session||At end of session|
|Google Analytics||__utmz||This cookie stores the type of referral used by the visitor to reach pwc.com/bb, whether via a direct method, a referring link, a website search, or a campaign such as an ad or an email link. It is used to calculate search engine traffic, ad campaigns and page navigation within pwc.com/bb. The cookie is updated with each page view to pwc.com/bb||First Party Persistent||6 months from set/update|
Retired Cookies: No longer in use, but may be present for returning visitors. These cookies can be deleted.
|Webtrends||PWC_WOD||Visitor Identification sessions set by the tag server. Visitor ID based on IP address. The cookie records site id, time of last access, time of start of visit and account ID.||First Party Persistent||10 years|
|Webtrends||ACOOKIE||Visitor Identification set by Java Script. The cookie records Visitor id, time of last access and time of start of visit.||Third Party Persistent||2 years|